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Technical Data Sheet
1263-00-D FIND NO 10 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The MOUNT,RESILIENT,UTILITY is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-647-8024, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
1263-00-D FIND NO 10
NSN: 5340-01-647-8024
FSC: 5340
CAGE: 38450 — ENGINEERED COIL COMPANY DBA ENGINEERED COIL CO DIV DRS MARLO COIL (USA)
SPECIFICATIONS
Part Number1263-00-D FIND NO 10
NSN5340-01-647-8024
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1263-00-D FIND NO 10 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
A506Interchangeable
interchangeable cross-reference
interchangeable
MILH12732Interchangeable
interchangeable cross-reference
interchangeable
120-021Interchangeable
interchangeable cross-reference
interchangeable
571-9432-01Interchangeable
interchangeable cross-reference
interchangeable
SR1335UPC4K24Interchangeable
interchangeable cross-reference
interchangeable
12576932Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1263-00-D FIND NO 10?
1263-00-D FIND NO 10 is a MOUNT,RESILIENT,UTILITY.
What parts can replace 1263-00-D FIND NO 10?
There are 13 known substitutes for 1263-00-D FIND NO 10: A506, MILH12732, 120-021 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1263-00-D FIND NO 10?
1263-00-D FIND NO 10 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-647-8024. This indicates validated use in U.S. government and defense supply chains.
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